Maybe I can help with your EA project. I don't know how to message here but you can message me in MQL5, christianpaul_x.

Sharing my profitable MT5 Trading Robot (EA)

This should have been not an issue because it's clear to know which markets are ok to trade or not. On your example, those without the .a will be greyed out in the Market Watch.

Prevent every trade before executing - My "isAllowed"